From fec659aa2dd9cfc9f35f05266179bbdde75203f0 Mon Sep 17 00:00:00 2001 From: Ross Lagerwall Date: Tue, 10 May 2016 10:10:02 +0100 Subject: [PATCH] xsplice: Prevent new symbols duplicating core symbols When loading patches, the code prevents loading a patch containing a new symbol that duplicates a symbol from another loaded patch. However, the check should also prevent loading a new symbol that duplicates a symbol from the core hypervisor. Signed-off-by: Ross Lagerwall Reviewed-by: Konrad Rzeszutek Wilk Release-acked-by: Wei Liu --- xen/common/xsplice.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/common/xsplice.c b/xen/common/xsplice.c index c9fc53a369..21b9ec027a 100644 --- a/xen/common/xsplice.c +++ b/xen/common/xsplice.c @@ -748,7 +748,8 @@ static int build_symbol_table(struct payload *payload, if ( !found ) { - if ( xsplice_symbols_lookup_by_name(symtab[i].name) ) + if ( symbols_lookup_by_name(symtab[i].name) || + xsplice_symbols_lookup_by_name(symtab[i].name) ) { dprintk(XENLOG_ERR, XSPLICE "%s: duplicate new symbol: %s\n", elf->name, symtab[i].name); -- 2.30.2